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Fencer Vulns
medium 5.3

CVE-2026-8173 json

Information Disclosure via 'Copy learned MAC Addresses' Function

published 2026-08-24 2 mo ago modified 2026-10-14 25 d ago also EUVD-2026-64744

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 28%
public exploits
0
none known

Summary

The web GUI of affected Murrelektronik Xelity switches logs MAC addresses from the devices MAC address table when an authenticated administrator uses the 'Copy learned MAC Addresses' function. Due to improper generation of error messages, an unauthenticated attacker with network access to the web interface can retrieve the logged MAC addresses via browser developer tools.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 mo ago

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CNA 4.0 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • Murrelektronik Xelity 4TX M GE
  • Murrelektronik Xelity 4TX M GE PN
  • Murrelektronik Xelity 6TX M GE
  • Murrelektronik Xelity 6TX M GE PN
  • Murrelektronik Xelity 8TX M GE
  • Murrelektronik Xelity 8TX M GE PN
  • Murrelektronik Xelity-16TX-M-GE
  • Murrelektronik Xelity-16TX-M-GE-PN
  • Murrelektronik Xelity 10 TX IP67 M FE 4P
  • Murrelektronik Xelity 10 TX IP67 M FE PN 4P
  • Murrelektronik Xelity 8 +2 TX IP67 M GE 4P
  • Murrelektronik Xelity 8 +2 TX IP67 M GE PN 4P
  • Murrelektronik Xelity 10 TX IP67 M GE 4P
  • Murrelektronik Xelity 10 TX IP67 M GE PN 4P
  • Murrelektronik Xelity 6TX 4PW IP67 M GE PN 4P
  • Murrelektronik Xelity 10 TX IP67 M FE 5P
  • Murrelektronik Xelity 10 TX IP67 M FE PN 5P
  • Murrelektronik Xelity 8 +2 TX IP67 M GE 5P
  • Murrelektronik Xelity 8 +2 TX IP67 M GE PN 5P
  • Murrelektronik Xelity 10 TX IP67 M GE 5P
  • Murrelektronik Xelity 10 TX IP67 M GE PN 5P
  • Murrelektronik Xelity 6TX 4PW IP67 M GE PN 5P
  • Murrelektronik 6 TX M GE + 4 Power M12 IP67

Classification

Weakness
  • CWE-209 Generation of Error Message Containing Sensitive Information

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.